Phone battery charger apply for phone 4s iphone 3GS, POD.nano4,touch2 1.input: DC5.0V,800mA2.output: DC5.5V, 500mA3.battery: Li-ion Capacity: 2200mAh4.size: L126 x W66 x T23mm5.weight: 79.5g6.apply: iphone,iphone 3GS, i-POD.nano4,touch27.charger time:about 4 hours Phone battery moving power Charger have stock